D13002X16V Renesas Electronics America, D13002X16V Datasheet - Page 243
D13002X16V
Manufacturer Part Number
D13002X16V
Description
MCU 3/5V 0K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.D13002F16V.pdf
(702 pages)
Specifications of D13002X16V
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
SCI
Peripherals
DMA, PWM, WDT
Number Of I /o
38
Program Memory Type
ROMless
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D13002X16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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8.4.9 Multiple-Channel Operation
The DMAC channel priority order is: channel 0 > channel 1 and channel A > channel B.
Table 8-12 shows the complete priority order.
Table 8-12 Channel Priority Order
Short Address Mode
Channel 0A
Channel 0B
Channel 1A
Channel 1B
Multiple-Channel Operation: If transfers are requested on two or more channels simultaneously,
or if a transfer on one channel is requested during a transfer on another channel, the DMAC
operates as follows.
•
•
•
•
When a transfer is requested, the DMAC requests the bus right. When it gets the bus right, it
starts a transfer on the highest-priority channel at that time.
Once a transfer starts on one channel, requests to other channels are held pending until that
channel releases the bus.
After each transfer in short address mode, and each externally-requested or cycle-steal
transfer in normal mode, the DMAC releases the bus and returns to step 1. After releasing the
bus, if there is a transfer request for another channel, the DMAC requests the bus again.
After completion of a burst-mode transfer, or after transfer of one block in block transfer
mode, the DMAC releases the bus and returns to step 1. If there is a transfer request for a
higher-priority channel or a bus request from a higher-priority bus master, however, the
DMAC releases the bus after completing the transfer of the current byte or word. After
releasing the bus, if there is a transfer request for another channel, the DMAC requests the
bus again.
Full Address Mode
Channel 0
Channel 1
227
Priority
High
Low
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